From 6074175faa751dde933aa8e15cd687ca4e4b4a23 Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Sun, 27 Nov 2022 14:46:40 +0300
Subject: [PATCH] add safetensors to requirements

---
 modules/sd_models.py      | 11 +++++------
 requirements.txt          |  1 +
 requirements_versions.txt |  1 +
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/modules/sd_models.py b/modules/sd_models.py
index ae36841af..772364808 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -5,6 +5,7 @@ import gc
 from collections import namedtuple
 import torch
 import re
+import safetensors.torch
 from omegaconf import OmegaConf
 
 from ldm.util import instantiate_from_config
@@ -173,14 +174,12 @@ def load_model_weights(model, checkpoint_info, vae_file="auto"):
         # load from file
         print(f"Loading weights [{sd_model_hash}] from {checkpoint_file}")
 
-        if checkpoint_file.endswith(".safetensors"):
-            try:
-                from safetensors.torch import load_file
-            except ImportError as e:
-                raise ImportError(f"The model is in safetensors format and it is not installed, use `pip install safetensors`: {e}")
-            pl_sd = load_file(checkpoint_file, device=shared.weight_load_location)
+        _, extension = os.path.splitext(checkpoint_file)
+        if extension.lower() == ".safetensors":
+            pl_sd = safetensors.torch.load_file(checkpoint_file, device=shared.weight_load_location)
         else:
             pl_sd = torch.load(checkpoint_file, map_location=shared.weight_load_location)
+
         if "global_step" in pl_sd:
             print(f"Global Step: {pl_sd['global_step']}")
 
diff --git a/requirements.txt b/requirements.txt
index e4e5ec642..5f3d96232 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,3 +29,4 @@ lark
 inflection
 GitPython
 torchsde
+safetensors
diff --git a/requirements_versions.txt b/requirements_versions.txt
index 8d557fe38..035fa82f4 100644
--- a/requirements_versions.txt
+++ b/requirements_versions.txt
@@ -26,3 +26,4 @@ lark==1.1.2
 inflection==0.5.1
 GitPython==3.1.27
 torchsde==0.2.5
+safetensors==0.2.5